Laser Details TRIZ Cases

A thermally conductive base and rear-surface wiring release heat from high-output emitters, improving 3D image acquisition reliability.

High-frequency resonator modulation suppresses macroscopic-object signals, cutting false particle counts and improving PM 2.5 detection reliability.

Dynamic per-region LiDAR dwell times and revisit rates improve long-range ranging accuracy while limiting laser power and frame-rate loss.

Laser-made breaking lines let connected diode elements self-singulate on the carrier, reducing bending stress and preserving optical alignment.

Multiple electrically pumped emitter regions maintain uniform carrier injection while scaling EP-VECSEL power and shaping Hermite Gaussian beams.

Cascaded waveguide gratings create single-frequency feedback for self-injection locking without thermal tuning, reducing chip space and complexity.

A VCSEL process forms N- and P-type ohmic layers on the same substrate side and etches both vias together to cut cycle time and metal use.

Cascaded second-harmonic quadrupling followed by down-conversion overcomes oscillatory THG limits and improves pulse conversion efficiency.

Comb filters and tunable ring resonators inside the laser cavity modulate WDM sub-bands while concentrating optical power in selected wavelengths.

Fast AOD beam steering and real-time intensity shaping raise additive manufacturing resolution without slowing fabrication or causing cross-curing.

A graded photonic crystal increases band edge frequency across the current region, enabling sub-nanosecond pulsed output without current switching.

Floating-ground and clamping diodes block parasitic current loops so only intended LiDAR laser diodes emit during the release stage.

A switched diagnostic beam through the endoscope working channel enables real-time tissue composition detection and laser setting adjustment.

A shared electrode across laser and amplification regions cuts light absorption and leakage current while maintaining current injection.

Curved block separation and current constriction grooves help VCSEL arrays maintain uniform emission at high density while preserving insulation.

An asymmetric semiconductor optical chip shape avoids low-rate etch surfaces, suppressing residue during substrate removal and easing later processing.

A light-blocking structure and backside-exposed photosensitive layer form a lens aligned to the current injection region with higher yield.

A carrier grating cavity transfers a III-V die onto silicon, removing die-by-die alignment while improving waveguide coupling and throughput.

A thick optical waveguide layer with shallow high-aspect-ratio grooves improves diffraction efficiency while reducing groove count and element size.

Wavelength toggling between optical pumping transitions compensates light-induced reference frequency shifts and improves atomic clock stability.

An antiresonant semiconductor cavity shifts optical energy into the air gap, boosting VCSEL tuning range and sweep speed with a movable reflector.

Through-holes of different areas let thick-film electrodes reach different heights in one process, improving adhesion and manufacturing efficiency.

Embedded interposer waveguides route optical and electrical signals together, cutting high-speed signal loss and easing photonic package integration.

A dissolvable growth restrict mask enables wet-etch GaN substrate removal after bonding, reducing cracks and allowing substrate recycling.

A spherical receiving surface lets the laser light source assembly slide, align the optical axis precisely, and then be fixed securely.

Parallel internal conductors in a ceramic LED mounting substrate cut wiring inductance, preserve pulse shape, and reduce light output variation.

Independently addressable VCSEL subarrays light only needed eye-box regions, cutting infrared power use, heat, and battery drain.

Selective firing of individually addressable VCSELs cuts LiDAR cross-talk while improving point cloud resolution and power use.

Fast AOD subpixel scanning flattens laser intensity to raise additive manufacturing resolution without slowing build speed.

A multilayer electrode stack adds a diffusion barrier to stop solder spread, preserve reflectance, and stabilize light output over time.

Recessed dicing zones and tapered protective layers curb chipping, particles, and cracking in subcarrier wafers for compact laser modules.

A transparent conductive thin film replaces metal electrodes in a VCSEL to shorten current paths, cut resistance, and avoid blocking light.

Separated electrode layers and wafer bonding improve VCSEL array isolation, cutting current leakage under high bias voltages.

Spectral monitoring separates blue laser content from white output to control eye safety and predict optical-path failures before shutdown.

Stacked active regions in infrared laser diodes cut chip count, simplify emitter assembly, and reduce electrical and Joule losses.

A monolithic PIC amplifier uses alternating InP or superlattice layers to raise LIDAR optical power while improving heat dissipation.

A dielectric diffraction grating in the DBR region reduces etching error sensitivity and keeps semiconductor laser wavelength close to design.

Insulating apertures and a light-transmissive conductor confine current in a photonic crystal laser, improving carrier injection and surface emission.

Independent control of hotter central VCSEL zones limits self-heating and defect propagation while preserving array output.

A wide-bandgap point defect and mask opening enable controlled single-photon output at room temperature without complex light-concentrating optics.

Binary intermediate layers and graded AlGaAs transitions curb intermixing and thermal resistance in surface-emitting lasers.

Joining material is confined to non-projection regions so substrate stress does not distort the interference waveguide or shift optical characteristics.

A smaller contact region concentrates current at the injection center, promoting low-order modes and single-peak beam output.

Locking a multimode diode laser to selectable WGMs enables compact, lower-cost wavelength tuning while maintaining stable long-coherence output.

A reflector-in-hole laser structure improves heat dissipation and cuts threading dislocations in GaN surface-emitting semiconductor lasers.

Pulse timing is adjusted from prior-cycle parasitic inductance to boost laser drive voltage, cut heating loss, and tune LIDAR transmit power.

Oxidized guiding regions split a VCSEL into isolated emitting areas, limiting defect spread and local heating while preserving output power.

Distinct emitter wavelengths and retro-reflectors help a light curtain detect transparent or reflective obstacles without signal overlap.

Mechanical switches trigger heating or cooling elements to keep optical modulation and power stable across wide ambient temperatures.

Phase shifters and grating couplers steer ToF illumination angles for compact 3D scanning with lower power use and eye-safe operation.